Natrol, Immune Boost, Featuring EpiCor, 30 Fast-Capsules

The length of time for the expiration date or "best used before" date depends on the type of product, as well as the brand.

Perishable items (such as flax oils or certain probiotics) generally have shorter expiration dates. Although our warehouse is fully air-conditioned, these more fragile items are put in cold storage (freezer or refrigeration unit) for maximum freshness.

Our receiving department does its best to verify and then enter the correct expiration dates for all incoming products. However, discrepancies do occur from time to time. This being said, the exceptionally high turnover at iHerb ensures that our inventory is among the freshest in the industry.

Shipping Weight:

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0.25 lbs (0.11 kg)

Shipping Weight

The Shipping Weight includes the product, protective packaging material and the actual shipping box. In addition, the Shipping Weight may be adjusted for the Dimensional Weight (e.g. length, width &amp; height) of a package. It is important to note that certain types of products (e.g. glass containers, liquids, fragile, refrigerated or ice packed) will often require protective packaging material. As such, these products will reflect a higher Shipping Weight compared to the unprotected product.

This advanced formula features EpiCor, which starts to increase the body's Natural Killer (NK) cell activity. NK cells are type of white blood cells that are vital to your natural resistance. In addition, Immune Boost helps increase lgA, an antibody found in mucous membranes. The formula also supports the function of B-cells & T-cells.

Some Basics About Immunity

The immune system is comprised of highly specialized white blood cells. NK cells are a major component of the body's first line of defense that engulf and destroy foreign invaders. B-cells make antibodies that tag foreign invaders. T-cells identify and attack targeted invaders. In addition, Interferon enhances the communication and activity of B-cells and T-cells.

What is EpiCor?

EpiCor is an immune-promoting yeast complex - a Super Food for immunity health. EpiCor has been the subject of several clinical studies that show that it promotes immune function.

Epicor has been clinically shown to increase the activity of Natural Killer (NK) cells and other immune cells in healthy adults. NK cells are part of the body's natural immune defense. EpiCor also support the body's production of the antibody lgA found in mucous membranes.

* EpiCor has been clinically shown to activate the body's Natural Killer (NK) cells in a small group of healthy adults. NK cells are a major component of the body's innate immune defense.

Suggested Use

Directions - Adults: Take 1 capsule, one time daily, with a meal. For Children 9 Years and Older: Sprinkle the contents of 1 capsule, once daily, into their favorite food. Not recommended for children under 9 years old.